For the past week or so, We have been getting vertical lines when connecting to our Azure virtuals. We have had complaints from Mac Users.. If we take a screen shot on the host pc, the vertical lines...
mmoronline looks like that's version 10.9.8 (2201):
https://install.appcenter.ms/orgs/rdmacios-k2vy/apps/microsoft-remote-desktop-for-mac/distribution_groups/all-users-of-microsoft-remote-desktop-for-mac